WHAT DO YOU MEAN BY MODULATION AND DEMODULATION ?
Answers
Modulation means the process of converting analog signals to digital signals. Demodulation is the Revere if modulation. In computer it is done by a modem.
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In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted. Most radio systems in the 20th century used frequency modulation (FM) or amplitude modulation (AM) for radio broadcast.
Demodulation is extracting the original information-bearing signal from a carrier wave. A demodulator is an electronic circuit (or computer program in a software-defined radio) that is used to recover the information content from the modulated carrier wave
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